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Llana [10]
3 years ago
7

The universe is made up of (lol)

Chemistry
2 answers:
bija089 [108]3 years ago
8 0

Answer:

D

Explanation:

zhenek [66]3 years ago
7 0
It is billions. There had been starts from the beginning of era.
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How many moles of NO2 form when<br> 63.25 g N2O5 decompose?<br> 2N2O5→ 4NO2 + 0₂
GREYUIT [131]

Answer:

1.1713 moles

Explanation:

RFM of N2O5= (14*2)+(16*4)=108

Moles of N2O5= Mass/RFM= 63.25/108= 0.5856 moles

Mole ratio of N2O5:NO2 = 2:4

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